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118066 (4317 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340661604330384 4.402e-08  
a 2.362001713468306 7.2414e-09 au
q 1.809137041460522 1.0697e-07 au
i 3.070474811970456 4.4602e-06 deg
node 141.350733235666 5.9678e-05 deg
peri 202.1865888857459 6.0265e-05 deg
M 324.0923779782987 6.5147e-06 deg
tp 2459132.752193411209
(2020-Oct-10.25219341)
2.3974e-05 TDB
period 1325.924328802976
3.63
6.0975e-06
1.669e-08
d
yr
n .2715087069297556 1.2486e-09 deg/d
Q 2.914866385476091 8.9363e-09 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      17198 days (47.09 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:14:20  

Additional Information
 Earth MOID = .801752 au 
 Jupiter MOID = 2.49629 au 
 T_jup = 3.511 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO432684  
rotation period rot_per 8.660 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

118066 (4317 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 4317 T-2 = 2002 PK60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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